This week in reality-TV-star downward spirals features the arrests of Jenelle Evans from Teen Mom 2 and Real Housewives of New Jersey's Joe Giudice, as well as an internal affairs investigation of Steven Seagal in Jefferson Parrish where he shot A&E's Steven Seagal: Lawman.

• American sweetheart Reese Witherspoon has just plunked down $7 million to buy real-life action figure Steven Seagal's sprawling Brentwood home. It's got nine bathrooms, seven bedrooms, a swimmin' pool, and a Buddhist temple where Seagal liked to meditate.

• Avril Lavigne and Lindsay Lohan had a "huge fight" at Hollywood's Chateau Marmont.

• Halle Berry and Gabriel Aubry have split up. A source says:

• The second season of Jersey Shore promises to be action-packed! Saturday night, some guy was less-than-respectful to Snooki and JWoww, so Snickers slapped him, then threw food and booze at him. (He threw a drink on her, too).

• Lindsay Lohan has been on a bit of a Twitter rampage over the past day or so, which began with the following tweet:

• Michael Lohan claims that Lindsay Lohan's apartment was a "mess" when he stormed in yesterday. As for Lindsay, she "looked like she was hit by a truck..." her eyes were allegedly "pale and bloodshot, and her hair was a mess."

• Though Mo'Nique gave Oprah Winfrey permission to interview her brother Gerald, who molested her, she isn't happy about how Monday's interview went down. She feels, "Her brother lied and that it was not sympathetic enough towards her," says a source.

• ABC is developing a daytime talk show for Tori Spelling.

• A new photo of Sandra Bullock has "surfaced," and in it, she is not wearing a wedding ring.